CVE-2025-22373 XSS, HTML and Style injection on login page
Reflected XSS and HTML injection in SicommNet BASEC login page allows attackers to execute scripts or alter styles via query strings.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-22373?
CVE-2025-22373 is a high-severity cross-site scripting vulnerability in SicommNet BASEC, published on 14 Apr 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in SicommNet BASEC on SaaS allows Reflected XSS, XSS Through HTTP Query Strings, Rendering of Arbitrary HTML and alternation of CSS Styles This issue affects BASEC: from 14 Dec 2021.
Weakness: CWE-79
Which versions are affected by CVE-2025-22373?
How do I fix CVE-2025-22373?
No fix has been published for CVE-2025-22373 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2025-22373 being exploited?
There is no known exploitation of CVE-2025-22373 in the wild and no public exploit code.
Sources
Also known as GHSA-ggp5-cmc4-x9q4.